помогите пожалуйста поставить глаголы в нужное время.31. Are you the boy

Помогите пожалуйста поставить глаголы в необходимое время.
31. Are you the boy whose dog (make) a terrible noise at night? Im sorry, but you are mistaken, sir. I never (own) a dog.
32. What (happen) there? The dog (bite) the boy when he entered the garden.
33. You (know) each other before? Yes. We first (meet) 3 years ago.
34. He (take) off his pullover, (lie) down on the sofa and (start) to read a magazine.
35. I dont keep pets now but I (use) to keep a dog when I (be) a boy.
36. I (iron) Jims shirts this morning and in the afternoon I (do) the shopping.
37. Why are you limping? I (twist) my ankle.
38. The plane (take) off from London at 9.00 and (land) in Geneva at 10.30.
39. Joanna (not/change); she is the same as ever.
40. When I (switch) on the dishwasher, the machine (make) a loud noise.
41. People always (want) to be able to fly like birds in the sky.
42. I once (play) a guitar which (have) only five strings.
43. I never (teach) a class where the students are so lazy.
44. I (lose) a button. I dont suppose Ill ever find it.
45. The slower you eat the more you will think you (eat).
46. You (be) already late for classes twice this week, Nick.
47. What a surprise! Youre the very person I (want) to see so much.
48. They say the police already (catch) both of the thieves.
49. When we (be) kids, we (love) the beach very much, so we (use) to spend all our holidays at the sea.
50. You (make up) your mind yet? What you (decide) to do?